面向对象编程、模块内高内聚、模块间低耦合、数据库操作工具类
时间：2022-03-15 15:13
一、web.config帮助类(ConfigHelper.cs)
1 using System;
2 using System.Collections.Generic;
3 using System.Configuration;
4 using System.Reflection;
5
6 namespace Common
7 {
8 /// <summary>
9 /// web.config操作类
10 /// author:陈彦斌
11 /// 时间:2019年7月14日23:32:08
12 /// 使用前需引用程序集：System.configuration
13 /// </summary>
14 public sealed class ConfigHelper
15 {
16 /// <summary>
17 /// 获取系统配置信息
18 /// </summary>
19 /// <typeparam name="SystemConfig"></typeparam>
20 /// <returns></returns>
21 public static SystemConfig GetAppSettingsAllInfo()
22 {
23 try
24 {
25 SystemConfig t = new SystemConfig();
26 string[] arrSysCfg = ConfigurationManager.AppSettings.AllKeys;
27 string value = string.Empty;
28 foreach (var key in arrSysCfg)
29 {
30 value = CacheHelper.GetAppSettings(key).ToString();
31 foreach (PropertyInfo pi in t.GetType().GetProperties())
32 {
33 if (key.Contains(pi.Name))
34 {
35 if (!StringUtil.isNullOrBlank(value))
36 {
37 pi.SetValue(t, value, null);
38 }
39 }
40 }
41 }
42 return t;
43 }
44 catch(Exception ex)
45 {
46 throw ex;
47 }
48 }
49 /// <summary>
50 /// 获取链接字符串
51 /// </summary>
52 /// <param name="key"></param>
53 /// <returns></returns>
54 public static string GetConnectionString(string key)
55 {
56 return ConfigurationManager.ConnectionStrings[key].ConnectionString;
57 }
58 /// <summary>
59 /// 获取AppSettings中配置String信息
60 /// </summary>
61 /// <param name="key">键</param>
62 /// <returns></returns>
63 public static string GetConfigString(string key)
64 {
65 object objValue = CacheHelper.GetCache(key);
66 if (objValue == null) //缓冲区没有值
67 {
68 objValue = CacheHelper.GetAppSettings(key);
69 if (objValue != null)
70 {
71 CacheHelper.SetCache(key, objValue, DateTime.Now.AddMinutes(180), TimeSpan.Zero);
72 }
73 }
74 return objValue.ToString();
75 }
76 /// <summary>
77 /// 获取AppSettings中配置Bool信息
78 /// </summary>
79 /// <param name="key">键</param>
80 /// <returns></returns>
81 public static bool GetConfigBool(string key)
82 {
83 object objValue= CacheHelper.GetAppSettings(key);
84 if (StringUtil.isNullOrBlank(objValue))
85 {
86 try
87 {
88 bool.Parse(objValue.ToString());
89 return true;
90 }
91 catch
92 {
93 return false;
94 }
95 }
96 return false;
97 }
98 /// <summary>
99 /// 获取AppSettings中配置decimal信息
100 /// </summary>
101 /// <param name="key"></param>
102 /// <returns></returns>
103 public static decimal GetConfigDecimal(string key)
104 {
105 object objValue = CacheHelper.GetAppSettings(key);
106 if (StringUtil.isNullOrBlank(objValue))
107 {
108 try
109 {
110 return decimal.Parse(objValue.ToString());
111 }
112 catch
113 {
114 return 0;
115 }
116 }
117 return 0;
118 }
119 /// <summary>
120 /// 获取AppSettings中配置DateTime信息,可空
121 /// </summary>
122 /// <param name="key">键</param>
123 /// <returns></returns>
124 public static DateTime? GetConfigDateTime(string key)
125 {
126 DateTime? DateTimeNull = null;
127 object objValue = CacheHelper.GetAppSettings(key);
128 if (StringUtil.isNullOrBlank(objValue))
129 {
130 try
131 {
132 return DateTime.Parse(objValue.ToString());
133 }
134 catch
135 {
136 return DateTimeNull;
137 }
138 }
139 return DateTimeNull;
140 }
141 }
142 /// <summary>
143 /// 系统配置类
144 /// </summary>
145 public sealed class SystemConfig
146 {
147 /// <summary>
148 /// 数据库连接字符串
149 /// </summary>
150 public string ConnectionString { get; set; }
151 /// <summary>
152 /// 数据库类型
153 /// </summary>
154 public string dbType { get; set; }
155 /// <summary>
156 /// 打印报错SQL语句物理路径
157 /// </summary>
158 public string PrintErrorSqlPath { get; set; }
159 /// <summary>
160 /// 是否打印
161 /// </summary>
162 public string IsPrint { get; set; }
163 }
164 }
二、缓存帮助类(CacheHelper.cs)
1 using System;
2 using System.Collections;
3 using System.Configuration;
4 using System.Web;
5 using System.Web.Caching;
6
7 namespace Common
8 {
9 /// <summary>
10 /// 缓存帮助类
11 /// author:陈彦斌
12 /// 时间:2019年7月14日14:25:30
13 /// HttpRuntime.Cache
14 /// </summary>
15 public sealed class CacheHelper
16 {
17 /// <summary>
18 /// 获取configuratio节点下appSettings中add的值
19 /// </summary>
20 /// <param name="key">AppSettings的键</param>
21 /// <returns></returns>
22 public static object GetAppSettings(string key)
23 {
24 return ConfigurationManager.AppSettings[key];
25 }
26 /// <summary>
27 /// 获取当前应用程序指定CacheKey的值
28 /// </summary>
29 /// <param name="CacheKey">appSettings节点下add中的键</param>
30 /// <returns></returns>
31 public static object GetCache(string CacheKey)
32 {
33 Cache objCache = HttpRuntime.Cache;
34 return objCache[CacheKey];
35 }
36 /// <summary>
37 /// 设置数据缓存(慎用)
38 /// </summary>
39 /// <param name="CacheKey">键</param>
40 /// <param name="CacheValue">值</param>
41 public static void SetCache(string CacheKey,object CacheValue)
42 {
43 Cache objCache = HttpRuntime.Cache;
44 objCache.Insert(CacheKey, CacheValue);
45 }
46 /// <summary>
47 /// 设置数据缓存
48 /// </summary>
49 /// <param name="CacheKey">键</param>
50 /// <param name="CacheValue">值</param>
51 /// <param name="TimeOut">时间间隔</param>
52 public static void SetCache(string CacheKey, object CacheValue, TimeSpan TimeOut)
53 {
54 Cache objCache = HttpRuntime.Cache;
55 objCache.Insert(CacheKey, CacheValue, null, DateTime.MaxValue, TimeOut, CacheItemPriority.NotRemovable, null);
56 }
57 /// <summary>
58 /// 设置数据缓存
59 /// </summary>
60 /// <param name="CacheKey">键</param>
61 /// <param name="CacheValue">值</param>
62 /// <param name="absoluteExpiration">绝对过期时间</param>
63 /// <param name="slidingExpiration">时间间隔</param>
64 public static void SetCache(string CacheKey, object CacheValue, DateTime absoluteExpiration, TimeSpan slidingExpiration)
65 {
66 Cache objCache = HttpRuntime.Cache;
67 objCache.Insert(CacheKey, CacheValue, null, absoluteExpiration, slidingExpiration);
68 }
69 /// <summary>
70 /// 移除全部缓存
71 /// </summary>
72 public static void RemovaAllCache()
73 {
74 Cache objCache = HttpRuntime.Cache;
75 IDictionaryEnumerator CacheEnum = objCache.GetEnumerator();
76 while (CacheEnum.MoveNext())
77 {
78 objCache.Remove(CacheEnum.Key.ToString());
79 }
80 }
81 /// <summary>
82 /// 移除指定键的缓存
83 /// </summary>
84 /// <param name="CacheKey">键</param>
85 public static void RemovaAllCache(string CacheKey)
86 {
87 Cache objCache = HttpRuntime.Cache;
88 objCache.Remove(CacheKey);
89 }
90 }
91 }
三、数据库基类(DbBaseTool.cs)
1 using System;
2 using System.Collections.Generic;
3 using System.Text;
4 using System.IO;
5 using System.Data.Common;
6 using System.Data;
7 using System.Data.SqlClient;
8 using System.Data.OracleClient;
9 using System.Threading;
10
11 namespace Tool
12 {
13 /// <summary>
14 /// 操作数据库基类
15 /// author:陈彦斌
16 /// 时间：2019年7月14日23:35:30
17 /// </summary>
18 public abstract class DbBaseTool
19 {
20 public const string c_where = " WHERE ";
21 public const string c_where_one_equal_one = " WHERE 1=1 ";
22 public const string c_where_one_equal_one_and = " WHERE 1=1 AND ";
23 public const string c_like = " LIKE ";
24 public const string c_and = " AND ";
25 public const string c_or = " OR ";
26 public const string c_equal = " = ";
27 public const char c_comma_split = ‘,‘;
28 }
29 /// <summary>
30 /// 错误信息打印类
31 /// author:陈彦斌
32 /// 时间：2019年7月14日23:36:10
33 /// </summary>
34 public class PrintSqlTool
35 {
36 public static string LogBasePath { get; set; }
37 public static Queue<string> execSqlQueue = new Queue<string>();
38 private const string printTxtSqlTemp = "打印时间:{0}\r\nSQL语句:\r\n {1}\r\n";
39 static PrintSqlTool()
40 {
41 ThreadPool.QueueUserWorkItem(o =>
42 {
43 while (true)
44 {
45 lock (execSqlQueue)
46 {
47 if (execSqlQueue.Count > 0)
48 {
49 PrintSqlToText(LogBasePath,execSqlQueue.Dequeue());
50 }
51 }
52 }
53 });
54 }
55 /// <summary>
56 /// 打印报错SQL语句
57 /// </summary>
58 /// <param name="strPath">物理绝对路径</param>
59 /// <param name="sql">报错SQL语句</param>
60 public static void PrintSqlToText(string strPath, string sql)
61 {
62 appendStrToTxtFile(strPath, sql);
63 }
64 /// <summary>
65 /// 打印报错SQL语句
66 /// </summary>
67 /// <param name="strPath">物理绝对路径</param>
68 /// <param name="list">报错SQL语句集合</param>
69 public static void PrintSqlToText(string strPath, List<string> list)
70 {
71 StringBuilder sb = new StringBuilder();
72 foreach (var item in list)
73 {
74 sb.Append(item).Append(";");
75 }
76 appendStrToTxtFile(strPath, sb.ToString().TrimEnd(‘,‘));
77 }
78 /// <summary>
79 /// 向文本追加字符串
80 /// </summary>
81 /// <param name="fileFullPath">物理绝对路径</param>
82 /// <param name="errStr">报错语句</param>
83 private static void appendStrToTxtFile(string fileFullPath, string errStr)
84 {
85 FileStream fs = null; //文件流
86 StreamWriter sw = null; //写入流
87 try
88 {
89 if (File.Exists(fileFullPath)) //判断文件是否存在
90 {
91 fs = new FileStream(fileFullPath, FileMode.Append); //打开文件搜寻到文件尾
92 }
93 else
94 {
95 fs = new FileStream(fileFullPath, FileMode.Create); //创建文件
96 }
97 sw = new StreamWriter(fs, Encoding.UTF8); //指定写入格式
98 sw.Write(string.Format(printTxtSqlTemp,DateTime.Now.ToString(), errStr)); //写入
99 }
100 catch (UnauthorizedAccessException err)
101 {
102 throw err;
103 }
104 catch (IOException err)
105 {
106 throw err;
107 }
108 finally
109 {
110 if (sw != null)
111 {
112 sw.Close();
113 }
114 if (fs != null)
115 {
116 fs.Close();
117 }
118 }
119 }
120 }
121 /// <summary>
122 /// 数据接口类
123 /// author:陈彦斌
124 /// 时间：2019年7月14日23:36:51
125 /// </summary>
126 public interface IDbProvider
127 {
128 /// <summary>
129 /// 连接字符串
130 /// </summary>
131 string connStr { get; set; }
132 /// <summary>
133 /// 初始化 IDbConnection 类的新实例。
134 /// </summary>
135 /// <returns></returns>
136 IDbConnection GetConnection();
137 /// <summary>
138 /// 如果给定包含连接字符串的字符串，则初始化 IDbConnection 类的新实例。
139 /// </summary>
140 /// <param name="connectionString">用于打开 SQL Server 数据库的连接。</param>
141 /// <returns></returns>
142 IDbConnection GetConnection(string connectionString);
143 /// <summary>
144 /// 初始化 IDbCommand 类的新实例。
145 /// </summary>
146 /// <returns></returns>
147 IDbCommand GetCommand();
148 /// <summary>
149 /// 用查询文本初始化 IDbCommand 类的新实例。
150 /// </summary>
151 /// <param name="cmdText">查询的文本。</param>
152 /// <returns></returns>
153 IDbCommand GetCommand(string cmdText);
154 /// <summary>
155 /// 初始化 IDbCommand 类的新实例。
156 /// </summary>
157 /// <param name="connection">数据库链接字符串</param>
158 /// <param name="transaction">将在其中执行 IDbCommand 的 IDbTransaction。</param>
159 /// <returns></returns>
160 IDbCommand GetCommand(IDbConnection connection, IDbTransaction transaction);
161 /// <summary>
162 /// 初始化具有查询文本和 IDbConnection 的 IDbCommand类的新实例。
163 /// </summary>
164 /// <param name="cmdText">查询的文本。</param>
165 /// <param name="connection">数据库链接字符串</param>
166 /// <returns></returns>
167 IDbCommand GetCommand(string cmdText, IDbConnection connection);
168 /// <summary>
169 /// 初始化 IDbCommand 类的新实例。
170 /// </summary>
171 /// <param name="cmdText">查询的文本。</param>
172 /// <param name="connection">数据库链接字符串</param>
173 /// <param name="transaction">将在其中执行 IDbCommand 的 IDbTransaction。</param>
174 /// <returns></returns>
175 IDbCommand GetCommand(string cmdText, IDbConnection connection, IDbTransaction transaction);
176 /// <summary>
177 /// 初始化 DbDataAdapter 类的新实例。
178 /// </summary>
179 /// <returns></returns>
180 DbDataAdapter GetDataAdapter();
181 /// <summary>
182 /// 初始化 DbDataAdapter 类的新实例，用指定的 DbDataAdapter 作为 DbDataAdapter.SelectCommand 的属性
183 /// </summary>
184 /// <param name="selectCommand">一个 IDbCommand（可以是 Transact-SQL SELECT 语句或存储过程），已设置为 DbDataAdapter 的 IDbCommand 属性。</param>
185 /// <returns></returns>
186 DbDataAdapter GetDataAdapter(IDbCommand selectCommand);
187 /// <summary>
188 /// 使用 IDbCommand 和 IDbConnection 对象初始化 DbDataAdapter 类的一个新实例。
189 /// </summary>
190 /// <param name="selectCommandText">一个 System.String，它是将要由 DbDataAdapter 的 IDbCommand 属性使用的 Transact-SQL SELECT 语句或存储过程。</param>
191 /// <param name="selectConnection">数据库链接字符串</param>
192 /// <returns></returns>
193 DbDataAdapter GetDataAdapter(string selectCommandText, IDbConnection selectConnection);
194 //添加参数
195 IDataParameter GetParaneter(string param_name, DbType db_type);
196 IDataParameter GetParaneter(string param_name, string param_text);
197 IDataParameter GetParaneter(string param_name, DbType db_type, byte[] fs);
198 IDataParameter GetParaneter(string param_name, DbType db_type, string param_text);
199 IDataParameter GetParaneter(string param_name, DbType db_type, string param_text, int para_size);
200 IDataParameter GetParaneter(string param_name, DbType db_type, string param_text, ParameterDirection ptype);
201 }
202 /// <summary>
203 /// SqlServer数据库
204 /// author:陈彦斌
205 /// 时间：2019年7月14日23:37:25
206 /// </summary>
207 public sealed class SqlServerProvider : IDbProvider
208 {
209 private string _get_conn;
210 private const string paramhead = "@";
211 public SqlServerProvider(string strConn)
212 {
213 _get_conn = strConn;
214 }
215 public string connStr
216 {
217 get
218 {
219 return _get_conn;
220 }
221
222 set
223 {
224 _get_conn = value;
225 }
226 }
227
228 public IDbCommand GetCommand()
229 {
230 return new SqlCommand();
231 }
232
233 public IDbCommand GetCommand(string cmdText)
234 {
235 return new SqlCommand(cmdText);
236 }
237
238 public IDbCommand GetCommand(string cmdText, IDbConnection connection)
239 {
240 return new SqlCommand(cmdText, (SqlConnection)connection);
241 }
242
243 public IDbCommand GetCommand(IDbConnection connection, IDbTransaction transaction)
244 {
245 return GetCommand(null, connection, transaction);
246 }
247
248 public IDbCommand GetCommand(string cmdText, IDbConnection connection, IDbTransaction transaction)
249 {
250 return new SqlCommand(cmdText, (SqlConnection)connection, (SqlTransaction)transaction);
251 }
252
253 public IDbConnection GetConnection()
254 {
255 return new SqlConnection(this.connStr);
256 }
257
258 public IDbConnection GetConnection(string connectionString)
259 {
260 return new SqlConnection(connectionString);
261 }
262
263 public DbDataAdapter GetDataAdapter()
264 {
265 return new SqlDataAdapter();
266 }
267
268 public DbDataAdapter GetDataAdapter(IDbCommand selectCommand)
269 {
270 return new SqlDataAdapter((SqlCommand)selectCommand);
271 }
272
273 public DbDataAdapter GetDataAdapter(string selectCommandText, IDbConnection selectConnection)
274 {
275 return new SqlDataAdapter(selectCommandText, (SqlConnection)selectConnection);
276 }
277
278 public IDataParameter GetParaneter(string param_name, string param_text)
279 {
280 return new SqlParameter(paramhead + param_name, param_text);
281 }
282
283 public IDataParameter GetParaneter(string param_name, DbType db_type)
284 {
285 return new SqlParameter(paramhead + param_name, db_type);
286 }
287
288 public IDataParameter GetParaneter(string param_name, DbType db_type, string param_text)
289 {
290 SqlParameter param = new SqlParameter(paramhead + param_name, db_type);
291 param.Value = param_text;
292 return param;
293 }
294
295 public IDataParameter GetParaneter(string param_name, DbType db_type, byte[] fs)
296 {
297 SqlParameter param = new SqlParameter(paramhead + param_name, db_type);
298 param.Value = fs;
299 return param;
300 }
301
302 public IDataParameter GetParaneter(string param_name, DbType db_type, string param_text, ParameterDirection ptype)
303 {
304 SqlParameter param = new SqlParameter(paramhead + param_name, db_type);
305 param.Value = param_text;
306 param.Direction = ptype;
307 return param;
308 }
309
310 public IDataParameter GetParaneter(string param_name, DbType db_type, string param_text, int para_size)
311 {
312 SqlParameter param = new SqlParameter(paramhead + param_name, db_type);
313 param.Value = param_text;
314 param.Size = para_size;
315 return param;
316 }
317 }
318 /// <summary>
319 /// Oracle数据库
320 /// author:陈彦斌
321 /// 时间：2019年7月14日23:37:50
322 /// </summary>
323 public sealed class OracleProvider : IDbProvider
324 {
325 private string _get_conn;
326 public OracleProvider(string strConn)
327 {
328 _get_conn = strConn;
329 }
330 public string connStr
331 {
332 get
333 {
334 return _get_conn;
335 }
336
337 set
338 {
339 _get_conn = value;
340 }
341 }
342
343 public IDbCommand GetCommand()
344 {
345 return new OracleCommand();
346 }
347
348 public IDbCommand GetCommand(string cmdText)
349 {
350 return new OracleCommand(cmdText);
351 }
352
353 public IDbCommand GetCommand(IDbConnection connection, IDbTransaction transaction)
354 {
355 return GetCommand(null, connection, transaction);
356 }
357
358 public IDbCommand GetCommand(string cmdText, IDbConnection connection)
359 {
360 return new OracleCommand(cmdText, (OracleConnection)connection);
361 }
362
363 public IDbCommand GetCommand(string cmdText, IDbConnection connection, IDbTransaction transaction)
364 {
365 return new OracleCommand(cmdText, (OracleConnection)connection, (OracleTransaction)transaction);
366 }
367
368 public IDbConnection GetConnection()
369 {
370 return new OracleConnection(this.connStr);
371 }
372
373 public IDbConnection GetConnection(string connectionString)
374 {
375 return new OracleConnection(connectionString);
376 }
377
378 public DbDataAdapter GetDataAdapter()
379 {
380 return new OracleDataAdapter();
381 }
382
383 public DbDataAdapter GetDataAdapter(IDbCommand selectCommand)
384 {
385 return new OracleDataAdapter((OracleCommand)selectCommand);
386 }
387
388 public DbDataAdapter GetDataAdapter(string selectCommandText, IDbConnection selectConnection)
389 {
390 return new OracleDataAdapter(selectCommandText, (OracleConnection)selectConnection);
391 }
392
393 public IDataParameter GetParaneter(string param_name, string param_text)
394 {
395 return new OracleParameter(param_name, param_text);
396 }
397
398 public IDataParameter GetParaneter(string param_name, DbType db_type)
399 {
400 return new OracleParameter(param_name, db_type);
401 }
402
403 public IDataParameter GetParaneter(string param_name, DbType db_type, string param_text)
404 {
405 OracleParameter param = new OracleParameter(param_name, db_type);
406 param.Value = param_text;
407 return param;
408 }
409
410 public IDataParameter GetParaneter(string param_name, DbType db_type, byte[] fs)
411 {
412 OracleParameter param = new OracleParameter(param_name, db_type);
413 param.Value = fs;
414 return param;
415 }
416
417 public IDataParameter GetParaneter(string param_name, DbType db_type, string param_text, ParameterDirection ptype)
418 {
419 OracleParameter param = new OracleParameter();
420 param.ParameterName = param_name;
421 if (db_type == DbType.Int32)
422 {
423 param.OracleType = OracleType.Number;
424 param.Value = Convert.ToDecimal(param_text);
425 }
426 else if (db_type == DbType.String)
427 {
428 param.OracleType = OracleType.VarChar;
429 param.Value = param_text;
430 }
431 else
432 {
433 param.DbType = db_type;
434 param.Value = param_text;
435 }
436
437 param.Direction = ptype;
438 return param;
439 }
440
441 public IDataParameter GetParaneter(string param_name, DbType db_type, string param_text, int para_size)
442 {
443 OracleParameter param = new OracleParameter(param_name, db_type);
444 param.Value = param_text;
445 param.Size = para_size;
446 return param;
447 }
448 }
449 }
四、数据库帮助类(DbUtil.cs)
1 using System;
2 using System.Collections.Generic;
3 using System.Data;
4 using System.Reflection;
5 using System.Data.Common;
6
7 namespace Tool
8 {
9 /// <summary>
10 /// 数据库操作类
11 /// author:陈彦斌
12 /// 时间：2019年7月14日23:39:07
13 /// </summary>
14 public sealed class DbUtil : DbBaseTool
15 {
16 private static object lockHelper = new object();
17 private static SystemConfig SysCfg;
18 private static IDbProvider defaultPro;
19 private static string connectionString { get { return SysCfg.ConnectionString; } }
20 public static void resetDbUtil()
21 {
22 lock (lockHelper)
23 {
24 if (defaultPro == null)
25 {
26 try
27 {
28 SysCfg = ConfigHelper.GetAppSettingsAllInfo();
29 if (SysCfg.dbType.ToLower() == "sqlserver")
30 {
31 defaultPro = new SqlServerProvider(connectionString);
32 }
33 else if (SysCfg.dbType.ToLower() == "oracle")
34 {
35 defaultPro = new OracleProvider(connectionString);
36 }
37 else
38 {
39 throw new NotImplementedException();
40 }
41 }
42 catch (Exception ex)
43 {
44 throw ex;
45 }
46 }
47 }
48 }
49 public static void resetDbUtil(string DbName)
50 {
51 lock (lockHelper)
52 {
53 if (defaultPro == null)
54 {
55 try
56 {
57 SysCfg = ConfigHelper.GetAppSettingsAllInfo();
58 if (SysCfg.dbType.ToLower() == "sqlserver")
59 {
60 defaultPro = new SqlServerProvider(connectionString);
61 }
62 else if (SysCfg.dbType.ToLower() == "oracle")
63 {
64 defaultPro = new OracleProvider(connectionString);
65 }
66 else
67 {
68 throw new NotImplementedException();
69 }
70 }
71 catch (Exception ex)
72 {
73 throw ex;
74 }
75 }
76 }
77 }
78 static DbUtil()
79 {
80 if (defaultPro == null)
81 {
82 resetDbUtil();
83 }
84 }
85 /// <summary>
86 /// 执行查询SQL语句，返回DataTable
87 /// </summary>
88 /// <param name="strSql">查询SQL语句</param>
89 /// <returns></returns>
90 public static DataTable QueryDT(string strSql)
91 {
92 using (IDbConnection conn = defaultPro.GetConnection())
93 {
94 if (conn.State!=ConnectionState.Open)
95 {
96 conn.Open();
97 }
98 try
99 {
100 PrintErrorStrSql(strSql);
101 IDbDataAdapter adap = defaultPro.GetDataAdapter(strSql, conn);
102 DataTable dt = new DataTable();
103 DataSet ds = new DataSet();
104 adap.Fill(ds);
105 dt = ds.Tables[0];
106 return dt;
107 }
108 catch (DbException ex)
109 {
110 throw new Exception(ex.Message);
111 }
112 finally
113 {
114 conn.Close();
115 }
116 }
117 }
118 /// <summary>
119 /// 执行查询SQL语句，反射会实体类
120 /// </summary>
121 /// <typeparam name="T">数据类型</typeparam>
122 /// <param name="strSql">查询SQL语句</param>
123 /// <returns></returns>
124 public static T QueryDT<T>(string strSql) where T : new()
125 {
126 try
127 {
128 T t = new T();
129 DataTable dt = QueryDT(strSql);
130 foreach (DataRow dr in dt.Rows)
131 {
132 foreach (PropertyInfo pi in t.GetType().GetProperties())
133 {
134 if (dt.Columns.Contains(pi.Name))
135 {
136 if (!pi.CanWrite) continue;
137 var value = dr[pi.Name];
138 if (value != DBNull.Value)
139 {
140 switch (pi.PropertyType.FullName)
141 {
142 case "System.Decimal":
143 pi.SetValue(t, decimal.Parse(value.ToString()), null);
144 break;
145 case "System.String":
146 pi.SetValue(t, value.ToString(), null);
147 break;
148 case "System.Int32":
149 pi.SetValue(t, int.Parse(value.ToString()), null);
150 break;
151 default:
152 pi.SetValue(t, value, null);
153 break;
154 }
155 }
156 }
157 }
158 }
159 return t;
160 }
161 catch (DbException ex)
162 {
163 throw new Exception(ex.Message);
164 }
165 }
166 /// <summary>
167 /// 执行查询SQL语句，反射出实体类集合
168 /// </summary>
169 /// <typeparam name="T">数据类型</typeparam>
170 /// <param name="strSql">查询SQL语句</param>
171 /// <returns></returns>
172 public static List<T> QueryList<T>(string strSql) where T : new()
173 {
174 try
175 {
176 List<T> ts = new List<T>();
177 ts=toEntity<T>(QueryDT(strSql));
178 return ts;
179 }
180 catch (DbException ex)
181 {
182 throw new Exception(ex.Message);
183 }
184 }
185 /// <summary>
186 /// 将DataTable转换成实体类
187 /// </summary>
188 /// <typeparam name="T">实体类</typeparam>
189 /// <param name="dt">DataTable</param>
190 /// <returns></returns>
191 public static List<T> toEntity<T>(DataTable dt) where T : new()
192 {
193 List<T> ts = new List<T>();
194 foreach (DataRow dr in dt.Rows)
195 {
196 T t = new T();
197 foreach (PropertyInfo pi in t.GetType().GetProperties())
198 {
199 if (dt.Columns.Contains(pi.Name))
200 {
201 if (!pi.CanWrite) continue;
202 var value = dr[pi.Name];
203 if (value != DBNull.Value)
204 {
205 switch (pi.PropertyType.FullName)
206 {
207 case "System.Decimal":
208 pi.SetValue(t, decimal.Parse(value.ToString()), null);
209 break;
210 case "System.String":
211 pi.SetValue(t, value.ToString(), null);
212 break;
213 case "System.Int32":
214 pi.SetValue(t, int.Parse(value.ToString()), null);
215 break;
216 default:
217 pi.SetValue(t, value, null);
218 break;
219 }
220 }
221 }
222 }
223 ts.Add(t);
224 }
225 return ts;
226 }
227 /// <summary>
228 /// 对数据进行增、删、改
229 /// </summary>
230 /// <param name="strSql">SQL语句</param>
231 /// <returns></returns>
232 public static int ExecuteSql(string strSql)
233 {
234 using (IDbConnection conn = defaultPro.GetConnection())
235 {
236 using (IDbCommand cmd = defaultPro.GetCommand(strSql, conn))
237 {
238 try
239 {
240 if (conn.State != ConnectionState.Open)
241 {
242 conn.Open();
243 }
244 return cmd.ExecuteNonQuery();
245 }
246 catch (Exception ex)
247 {
248 conn.Close();
249 throw ex;
250 }
251 finally
252 {
253 conn.Close();
254 }
255 }
256 }
257 }
258 /// <summary>
259 /// 对数据进行增、删、改
260 /// </summary>
261 /// <param name="strSql">SQL语句</param>
262 /// <returns></returns>
263 public static int ExecuteSqlTrans(string strSql)
264 {
265 using (IDbConnection conn = defaultPro.GetConnection())
266 {
267 if (conn.State != ConnectionState.Open)
268 {
269 conn.Open();
270 }
271 IDbTransaction trans = conn.BeginTransaction();
272 IDbCommand cmd = defaultPro.GetCommand(conn, trans);
273 try
274 {
275 int resCount = 0;
276 PrintErrorStrSql(strSql);
277 cmd.CommandText = strSql;
278 resCount = cmd.ExecuteNonQuery();
279 trans.Commit();
280 return resCount;
281 }
282 catch (Exception ex)
283 {
284 trans.Rollback();
285 throw ex;
286 }
287 finally
288 {
289 cmd.Dispose();
290 conn.Close();
291 }
292 }
293 }
294 /// <summary>
295 /// 对数据进行增、删、改
296 /// </summary>
297 /// <param name="listSql">SQL集合</param>
298 /// <returns></returns>
299 public static int ExecuteSqlTrans(List<string> listSql)
300 {
301 using (IDbConnection conn = defaultPro.GetConnection())
302 {
303 if (conn.State != ConnectionState.Open)
304 {
305 conn.Open();
306 }
307 IDbTransaction trans = conn.BeginTransaction();
308 IDbCommand cmd = defaultPro.GetCommand(conn, trans);
309 try
310 {
311 int resCount = 0;
312 string strSql = string.Empty;
313 for (int i = 0; i < listSql.Count; i++)
314 {
315 strSql = listSql[i];
316 PrintErrorStrSql(strSql);
317 cmd.CommandText = strSql;
318 resCount += cmd.ExecuteNonQuery();
319 }
320 trans.Commit();
321 return resCount;
322 }
323 catch (Exception ex)
324 {
325 trans.Rollback();
326 throw ex;
327 }
328 finally
329 {
330 cmd.Dispose();
331 conn.Close();
332 }
333 }
334 }
335 /// <summary>
336 /// 对数据进行增、删、改
337 /// </summary>
338 /// <param name="strSql">SQL语句</param>
339 /// <param name="pms">可变参数</param>
340 /// <returns></returns>
341 public static int ExecuteSqlTrans(string strSql, IDataParameter[] pms)
342 {
343 using (IDbConnection conn = defaultPro.GetConnection())
344 {
345 if (conn.State != ConnectionState.Open)
346 {
347 conn.Open();
348 }
349 IDbTransaction trans = conn.BeginTransaction();
350 using (IDbCommand cmd = defaultPro.GetCommand(conn, trans))
351 {
352 if (pms != null)
353 {
354 foreach (IDataParameter item in pms)
355 {
356 cmd.Parameters.Add(item);
357 }
358 }
359 try
360 {
361 int resCount = 0;
362 PrintErrorStrSql(strSql);
363 cmd.CommandText = strSql;
364 resCount = cmd.ExecuteNonQuery();
365 trans.Commit();
366 return resCount;
367 }
368 catch (Exception ex)
369 {
370 trans.Rollback();
371 throw ex;
372 }
373 finally
374 {
375 conn.Close();
376 }
377 }
378 }
379 }
380 private static void PrintErrorStrSql(string strSql)
381 {
382 if (SysCfg.IsPrint == "true" && !StringUtil.isNullOrBlank(SysCfg.PrintErrorSqlPath))
383 {
384 PrintSqlTool.LogBasePath = SysCfg.PrintErrorSqlPath;
385 PrintSqlTool.execSqlQueue.Enqueue(strSql);
386 //PrintSqlTool.PrintSqlToText(SysCfg.PrintErrorSqlPath, strSql);
387 }
388 }
389 }
390 }
五、实体类基类(EntityBase.cs)
1 using System;
2 using System.Collections.Generic;
3 using System.Reflection;
4 using System.Web;
5 using System.Text;
6 using Sam.OA.Common;
7
8 namespace Sam.OA.Model
9 {
10 /// <summary>
11 /// 实体类基类
12 /// author:陈彦斌
13 /// 时间：2019年7月14日23:39:07
14 /// </summary>
15 [Serializable]
16 public abstract class EntityBase
17 {
18 /// <summary>
19 /// 获取主键
20 /// </summary>
21 /// <returns></returns>
22 public abstract string GetPrimaryKey();
23 /// <summary>
24 /// 获取INSERT语句
25 /// </summary>
26 /// <returns></returns>
27 public string GetInsertSql()
28 {
29 try
30 {
31 Type t = this.GetType();
32 string tableName = t.Name,pKey=this.GetPrimaryKey(),fields=string.Empty,values=string.Empty,temp=null;
33 foreach (PropertyInfo pi in t.GetProperties())
34 {
35 if (!pi.CanWrite) continue;
36 if (pi.Name.Equals(pKey))
37 {
38 continue;
39 }
40 temp = GetByTypeStr(pi);
41 fields += pi.Name + ",";
42 values += temp + ",";
43 }
44 return string.Format("Insert into {0}({1}) Values({2})", tableName, fields.TrimEnd(‘,‘), values.TrimEnd(‘,‘));
45 }
46 catch
47 {
48 throw;
49 }
50 }
51 /// <summary>
52 /// 通过POST/GET请求获取Insert语句
53 /// </summary>
54 /// <param name="arrPostOrGetAllKey">POST/GET请求的所有键</param>
55 /// <param name="HttpRequest"></param>
56 /// <returns></returns>
57 public string GetInsertSql(string[] arrPostOrGetAllKey, HttpRequest Request)
58 {
59 try
60 {
61
62 Dictionary<string, string> dd = new Dictionary<string, string>();
63 string key = string.Empty;
64 string value = string.Empty;
65 for (int i = 0; i < arrPostOrGetAllKey.Length; i++)
66 {
67 key = Request.Form.AllKeys[i];
68 value = Request.Form[key];
69 if (StringUtil.isNullOrBlank(key))
70 {
71 key = Request.QueryString.AllKeys[i];
72 value = Request.QueryString[key];
73 }
74 dd.Add(key, value);
75 }
76 Type t = this.GetType();
77 PropertyInfo[] pInfos = t.GetProperties();
78 string tableName = t.Name, pKey = this.GetPrimaryKey(), pValue = string.Empty, str_fields = string.Empty;
79 StringBuilder s_fields = new StringBuilder();
80 StringBuilder s_values = new StringBuilder();
81 int keyIndex = -1;
82 for (int i = 0; i < pInfos.Length; i++)
83 {
84 if (pInfos[i].Name.Equals(pKey))
85 {
86 keyIndex = i;
87 if (dd.ContainsKey(pKey))
88 {
89 pValue = dd[pKey];
90 }
91 continue;
92 }
93 if (dd.ContainsKey(pInfos[i].Name))
94 {
95 s_fields.Append(pInfos[i].Name).Append(",");
96 s_values.Append(GetByTypeStr(dd[pInfos[i].Name])).Append(",");
97 }
98 }
99 return string.Format("INSERT INTO {0} ({1}) VALUES ({2})", tableName, s_fields.ToString().TrimEnd(‘,‘), s_values.ToString().TrimEnd(‘,‘));
100 }
101 catch
102 {
103 throw;
104 }
105 }
106 /// <summary>
107 /// 根据主键获取删除条件
108 /// </summary>
109 /// <typeparam name="T"></typeparam>
110 /// <param name="pKey"></param>
111 /// <returns></returns>
112 public string GetDeleteSql<T>(int pKey)
113 {
114 try
115 {
116 Type t = this.GetType();
117 string table = t.Name;
118 return string.Format("DELETE FROM {0} WHERE {1} = {2}", table, this.GetPrimaryKey(), pKey);
119 }
120 catch
121 {
122 throw;
123 }
124 }
125 /// <summary>
126 /// 根据主键获取删除条件
127 /// </summary>
128 /// <param name="pKey"></param>
129 /// <returns></returns>
130 public string GetDeleteSql(int pKey)
131 {
132 try
133 {
134 Type t = this.GetType();
135 string table = t.Name;
136 return string.Format("DELETE FROM {0} WHERE {1} = {2}", table, this.GetPrimaryKey(), pKey);
137 }
138 catch
139 {
140 throw;
141 }
142 }
143 /// <summary>
144 /// 根据条件获取删除语句eg：name=‘alex‘ and age=8
145 /// </summary>
146 /// <typeparam name="T"></typeparam>
147 /// <param name="deleteWhere">删除条件eg：name=‘alex‘ and age=8</param>
148 /// <returns></returns>
149 public string GetDeleteSql<T>(string deleteWhere)
150 {
151 try
152 {
153 Type t = this.GetType();
154 string table = t.Name;
155 return string.Format("DELETE FROM {0} WHERE {1}", table, deleteWhere);
156 }
157 catch
158 {
159 throw;
160 }
161 }
162 /// <summary>
163 /// 根据条件获取删除语句eg：name=‘alex‘ and age=8
164 /// </summary>
165 /// <typeparam name="T"></typeparam>
166 /// <param name="deleteWhere">删除条件eg：name=‘alex‘ and age=8</param>
167 /// <returns></returns>
168 public string GetDeleteSql(string deleteWhere)
169 {
170 try
171 {
172 Type t = this.GetType();
173 string table = t.Name;
174 return string.Format("DELETE FROM {0} WHERE {1}", table, deleteWhere);
175 }
176 catch
177 {
178 throw;
179 }
180 }
181 /// <summary>
182 /// 获取UPDATE语句
183 /// </summary>
184 /// <returns></returns>
185 public string GetUpdateSql()
186 {
187 try
188 {
189 Type t = this.GetType();
190 PropertyInfo[] pInfos = t.GetProperties();
191 string tableName = t.Name, pKey = this.GetPrimaryKey(), str_fields=string.Empty;
192 int keyIndex = -1;
193 for (int i = 0; i < pInfos.Length; i++)
194 {
195 if (pInfos[i].Name.Equals(pKey))
196 {
197 keyIndex = i;
198 continue;
199 }
200 str_fields += pInfos[i].Name + " = " + GetByTypeStr(pInfos[i]) + ",";
201 }
202 return string.Format("UPDATE {0} SET {1} WHERE {2} = {3}", tableName, str_fields.TrimEnd(‘,‘), pKey, GetByTypeStr(pInfos[keyIndex]));
203 }
204 catch
205 {
206 throw;
207 }
208 }
209 /// <summary>
210 /// 通过POST/GET请求获取UPDATE语句
211 /// </summary>
212 /// <param name="arrPostOrGetAllKey">POST/GET请求的所有键</param>
213 /// <param name="HttpRequest"></param>
214 /// <returns></returns>
215 public string GetUpdateSql(string[] arrPostOrGetAllKey, HttpRequest Request)
216 {
217 try
218 {
219
220 Dictionary<string, string> dd = new Dictionary<string, string>();
221 string key = string.Empty;
222 string value = string.Empty;
223 for (int i = 0; i < arrPostOrGetAllKey.Length; i++)
224 {
225 key = Request.Form.AllKeys[i];
226 value = Request.Form[key];
227 if (StringUtil.isNullOrBlank(key))
228 {
229 key = Request.QueryString.AllKeys[i];
230 value = Request.QueryString[key];
231 }
232 dd.Add(key, value);
233 }
234 Type t = this.GetType();
235 PropertyInfo[] pInfos = t.GetProperties();
236 string tableName = t.Name, pKey = this.GetPrimaryKey(), pValue = string.Empty, str_fields = string.Empty;
237 int keyIndex = -1;
238 for (int i = 0; i < pInfos.Length; i++)
239 {
240 if (pInfos[i].Name.Equals(pKey))
241 {
242 keyIndex = i;
243 if (dd.ContainsKey(pKey))
244 {
245 pValue = dd[pKey];
246 }
247 continue;
248 }
249 if (dd.ContainsKey(pInfos[i].Name))
250 {
251 str_fields += pInfos[i].Name + " = " + GetByTypeStr(dd[pInfos[i].Name]) + ",";
252 }
253 }
254 if (StringUtil.isNullOrBlank(pValue))
255 {
256 throw new Exception("更新条件不能为空!");
257 }
258 return string.Format("UPDATE {0} SET {1} WHERE {2} = {3}", tableName, str_fields.TrimEnd(‘,‘), pKey, GetByTypeStr(pValue));
259 }
260 catch
261 {
262 throw;
263 }
264 }
265 /// <summary>
266 /// 根据实体类组装查询条件，并返回查询语句
267 /// </summary>
268 /// <typeparam name="T">数据类型</typeparam>
269 /// <param name="t">实体类实例</param>
270 /// <returns></returns>
271 public string GetSelectSql<T>(T t) where T:class
272 {
273 try
274 {
275 Type t1 = t.GetType();
276 string tableName = t1.Name, temp = null;
277 StringBuilder sb = new StringBuilder();
278 foreach (PropertyInfo pi in t1.GetProperties())
279 {
280 if (!pi.CanWrite) continue;
281 temp = GetByTypeStr(pi);
282 if (!StringUtil.isNullOrBlank(temp)&& temp!="0")
283 {
284 sb.Append(" AND ").Append(pi.Name).Append(" = ").Append(temp).Append(" AND ");
285 }
286 }
287 if (sb.ToString().Length > 0)
288 {
289 string query_sql = "SELECT * FROM {0} WHERE 1=1 {1}";
290 return string.Format(query_sql, tableName,sb.ToString().Substring(0,sb.ToString().Length-4));
291 }
292 return "";
293 }
294 catch (Exception ex)
295 {
296 throw ex;
297 }
298 }
299 /// <summary>
300 /// 根据查询条件，返回查询语句eg:a=‘123‘ and b=‘456‘
301 /// </summary>
302 /// <typeparam name="T">数据类型</typeparam>
303 /// <param name="strWhere">WHERE条件：eg: a=‘123‘ and b=‘456‘ .....</param>
304 /// <returns></returns>
305 public string GetSelectSql<T>(string strWhere) where T : class
306 {
307 if (!StringUtil.isNullOrBlank(strWhere))
308 {
309 Type t = this.GetType();
310 string tableName = t.Name;
311 return string.Format("SELECT * FROM {0} WHERE 1=1 AND ",tableName, strWhere);
312 }
313 return "";
314 }
315 /// <summary>
316 /// 根据查询条件，返回查询语句eg:a=‘123‘ and b=‘456‘
317 /// </summary>
318 /// <param name="strWhere">WHERE条件：eg: a=‘123‘ and b=‘456‘ .....</param>
319 /// <returns></returns>
320 public string GetSelectSql(string strWhere)
321 {
322 if (!StringUtil.isNullOrBlank(strWhere))
323 {
324 Type t = this.GetType();
325 string tableName = t.Name;
326 return string.Format("SELECT * FROM {0} WHERE 1=1 AND ", tableName, strWhere);
327 }
328 return "";
329 }
330 /// <summary>
331 /// 获取表中所有数据
332 /// </summary>
333 /// <typeparam name="T">数据类型</typeparam>
334 /// <returns></returns>
335 public string GetSelectSql<T>() where T : class
336 {
337 try
338 {
339 return string.Format("SELECT * FROM {0}", this.GetType().Name);
340 }
341 catch (Exception ex)
342 {
343 throw ex;
344 }
345 }
346 /// <summary>
347 /// 获取表中所有数据
348 /// </summary>
349 /// <returns></returns>
350 public string GetSelectSql()
351 {
352 try
353 {
354 return string.Format("SELECT * FROM {0}", this.GetType().Name);
355 }
356 catch (Exception ex)
357 {
358 throw ex;
359 }
360 }
361 /// <summary>
362 /// 根据主键查询表
363 /// </summary>
364 /// <typeparam name="T"></typeparam>
365 /// <param name="pKey"></param>
366 /// <returns></returns>
367 public string SelectByPrimaryKey<T>(int pKey)
368 {
369 try
370 {
371 Type t = this.GetType();
372 string table = t.Name;
373 return string.Format("SELECT * FROM {0} WHERE {1} = {2}", table, this.GetPrimaryKey(), pKey);
374 }
375 catch
376 {
377 throw;
378 }
379 }
380 /// <summary>
381 /// 根据主键查询表
382 /// </summary>
383 /// <typeparam name="T"></typeparam>
384 /// <param name="pKey"></param>
385 /// <returns></returns>
386 public string SelectByPrimaryKey(int pKey)
387 {
388 try
389 {
390 Type t = this.GetType();
391 string table = t.Name;
392 return string.Format("SELECT * FROM {0} WHERE {1} = {2}", table, this.GetPrimaryKey(), pKey);
393 }
394 catch
395 {
396 throw;
397 }
398 }
399 /// <summary>
400 /// 获取表中总行数
401 /// </summary>
402 /// <typeparam name="T">数据类型</typeparam>
403 /// <returns></returns>
404 public string GetAllRowsCount<T>() where T:class
405 {
406 return string.Format("SELECT COUNT(*) FROM {0}",this.GetType().Name);
407 }
408 /// <summary>
409 /// 获取表中总行数
410 /// </summary>
411 /// <returns></returns>
412 public string GetAllRowsCount()
413 {
414 try
415 {
416 Type t = this.GetType();
417 string table = t.Name;
418 return string.Format("SELECT COUNT(*) FROM {0}", table);
419 }
420 catch
421 {
422 throw;
423 }
424 }
425 /// <summary>
426 /// 获取分页数据
427 /// </summary>
428 /// <param name="pageSize">一页多少条数据</param>
429 /// <param name="pageIndex">当前页的索引</param>
430 /// <returns></returns>
431 public virtual string GetPageData(int pageSize,int pageIndex)
432 {
433 try
434 {
435 int first = pageSize * (pageIndex - 1)+1;
436 int last = pageSize * pageIndex;
437 Type t = this.GetType();
438 return string.Format(@"SELECT * FROM (SELECT ROW_NUMBER() over (order by {0}) as row,TT.* from {1} TT) TTT
439 WHERE TTT.row BETWEEN {2} AND {3}",this.GetPrimaryKey(), t.Name, first,last);
440 }
441 catch
442 {
443 throw;
444 }
445 }
446 /// <summary>
447 /// 获取分页数据
448 /// </summary>
449 /// <param name="pageSize">一页多少条数据</param>
450 /// <param name="pageIndex">当前页的索引</param>
451 /// <param name="objOrderBy">排序规则</param>
452 /// <returns></returns>
453 public virtual string GetPageData(int pageSize, int pageIndex, object objOrderBy)
454 {
455 try
456 {
457 int first = pageSize * (pageIndex - 1) + 1;
458 int last = pageSize * pageIndex;
459 Type t = this.GetType();
460 return string.Format(@"SELECT * FROM (SELECT ROW_NUMBER() over (order by {0}) as row,TT.* from {1} TT) TTT
461 WHERE TTT.row BETWEEN {2} AND {3}", objOrderBy.ToString(), t.Name, first, last);
462 }
463 catch
464 {
465 throw;
466 }
467 }
468 /// <summary>
469 /// 根据数据类型反射字段值
470 /// </summary>
471 /// <param name="pInfo">公共属性</param>
472 /// <returns></returns>
473 private string GetByTypeStr(PropertyInfo pInfo)
474 {
475 try
476 {
477 string result_str = string.Empty;
478 Type t = pInfo.PropertyType;
479 object obj = pInfo.GetValue(this, null);
480 bool valueNull = StringUtil.isNullOrBlank(obj);
481 if (t == typeof(string))
482 {
483 result_str = valueNull ? "null" : "‘" + obj.ToString().Replace("--","") + "‘";
484 }
485 else if (t == typeof(System.Decimal) || t == typeof(System.Int16) || t == typeof(System.Int32) || t == typeof(System.Int64))
486 {
487 result_str = t.Name == "Nullable`1"&& valueNull ? "null" : obj.ToString();
488 }
489 else if(t==typeof(DateTime)||t.Name== "Nullable`1")
490 {
491 if (valueNull||DateTime.MinValue.Equals(obj)|| t.Name == "Nullable`1")
492 {
493 result_str = "null";
494 }
495 else
496 {
497 result_str = "‘"+obj.ToString().Replace("年", "-").Replace("月", "-").Replace("日", "")+"‘";
498 }
499 }
500 return result_str;
501 }
502 catch
503 {
504 throw;
505 }
506 }
507 /// <summary>
508 /// 获取字段值
509 /// </summary>
510 /// <param name="value">值</param>
511 /// <returns></returns>
512 private string GetByTypeStr(object obj)
513 {
514 try
515 {
516 if (StringUtil.IsDate(obj))
517 {
518
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